dotfiles/nixos-config: KISS NixOS configuration based on Flakes & flake-parts (supports macOS too)

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KISS NixOS configuration based on Flakes & flake-parts (supports macOS too)

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Sridhar Ratnakumar 67e9539353 add Jenkins CI		2023-07-13 16:47:27 -04:00
.vscode	.vscode: add nushell	2023-06-28 15:19:24 -04:00
home	Define overlays properly	2023-07-08 22:00:19 -04:00
nix-darwin	Rename for clarity	2023-04-27 09:31:29 -04:00
nixos	Remove redundant inputs (they are in jenkins-nix-ci overlay)	2023-07-13 16:45:49 -04:00
systems	add wezterm	2023-07-03 21:31:06 -04:00
users	Remove uday	2023-03-15 13:57:41 -04:00
.envrc	flake'ify shell.nix	2022-05-08 10:25:46 -04:00
.gitattributes	Add jenkins (#34 )	2023-03-20 14:32:03 -04:00
.gitignore	add direnv	2022-04-28 14:47:41 -04:00
.sops.yaml	sops: yaml -> json	2023-05-15 12:22:47 -04:00
flake.lock	Remove redundant inputs (they are in jenkins-nix-ci overlay)	2023-07-13 16:45:49 -04:00
flake.nix	Remove redundant inputs (they are in jenkins-nix-ci overlay)	2023-07-13 16:45:49 -04:00
Jenkinsfile	add Jenkins CI	2023-07-13 16:47:27 -04:00
README.md	readme: nw	2023-04-26 09:01:21 -04:00
secrets.json	sops: yaml -> json	2023-05-15 12:22:47 -04:00

README.md

This repository contains the Nix / NixOS configuration for all of my systems. See nixos-flake if you want to create your own configuration from scratch.

Setup

To use this repository as base configuration for your new machine running:

NixOS Linux

Install NixOS
- Hetzner dedicated from Linux Rescue system: https://github.com/numtide/nixos-anywhere (see blog post; example PR: https://github.com/srid/nixos-config/pull/35 where I had to configure networking manually)
- Digital Ocean: https://github.com/elitak/nixos-infect
- X1 Carbon: https://srid.ca/x1c7-install
- Windows (via WSL): https://github.com/nix-community/NixOS-WSL
Clone this repo anywhere
Edit flake.nix to use your system hostname as a key of the nixosConfigurations set
Edit users/config.nix to contain your users
Run nix run. That's it. Re-open your terminal.

macOS

Install Nix
Install nix-darwin
- This will create a ~/.nixpkgs/darwin-configuration.nix, but we do not need that.
Clone this repo anywhere
Edit flake.nix to use your system hostname as a key of the darwinConfigurations set
Edit users/config.nix to contain your users
Run nix run.¹ That's it. Re-open your terminal.

Architecture

Start from flake.nix (see Flakes). flake-parts is used as the module system.

Directory layout

home: home-manager config (shared between Linux and macOS)
nixos: nixos modules for Linux
nix-darwin: nix-darwin modules for macOS
users: user information
secrets.yaml (and .sops.yaml): sops-nix secrets
systems: top-level configuration.nix('ish) for various systems

Tips

To update NixOS (and other inputs) run nix flake update

You may also update a subset of inputs, e.g.

nix flake lock --update-input nixpkgs --update-input darwin --update-input home-manager
# Or, `nix run .#update`

To free up disk space,

sudo nix-env -p /nix/var/nix/profiles/system --delete-generations +2
sudo nixos-rebuild boot

To autoformat the project tree using nixpkgs-fmt, run nix fmt.

You might have to rm -rf /etc/nix/nix.conf, so our flake.nix can do its thing. ↩︎